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Modelling the rate of change in a longitudinal study with missing data, adjusting for contact attempts
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Akacha, Mouna and Hutton, Jane (2010) Modelling the rate of change in a longitudinal study with missing data, adjusting for contact attempts. Working Paper. Coventry: University of Warwick. Centre for Research in Statistical Methodology. Working papers, Vol.2010 (No.8).
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Abstract
The Collaborative Ankle Support Trial (CAST) is a longitudinal trial in which interest lies in the rate of
improvement, the effectiveness of reminders and potentially informative missingness. A model is proposed for
continuous longitudinal data with non-ignorable or informative missingness, taking into account the nature of
attempts made to contact initial non-responders. The model combines a non-linear mixed model for the outcome
model with a logistic regression model for the reminder process. A sensitivity analysis is used to contrast this
model with the traditional selection model, where we adjust for missingness by modelling the missingness process.
| Item Type: | Working or Discussion Paper (Working Paper) | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QA Mathematics R Medicine > R Medicine (General) |
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Statistics | ||||
| Library of Congress Subject Headings (LCSH): | Medical statistics, Clinical trials -- Mathematical models, Missing observations (Statistics) | ||||
| Series Name: | Working papers | ||||
| Publisher: | University of Warwick. Centre for Research in Statistical Methodology | ||||
| Place of Publication: | Coventry | ||||
| Official Date: | 2010 | ||||
| Dates: |
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| Volume: | Vol.2010 | ||||
| Number: | No.8 | ||||
| Number of Pages: | 16 | ||||
| Institution: | University of Warwick | ||||
| Status: | Not Peer Reviewed | ||||
| Access rights to Published version: | Open Access (Creative Commons) |
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